One problem related to hazard flashing warning light unit has been reported for the 2003 Mercedes Benz C230. The most recently reported issues are listed below.
When signaling to turn left or right, only the left turn signal will flash. The right turn signal never flashes. However, both lights will flash when hazard lights are on and when locking/unlocking car doors.
| Tail Light Switch problems | |
| Hazard Flashing Warning Light Unit problems | |
| Headlights problems | |
| Headlight Concealment Device problems |